Bryan Boreham
9a6d0c9cf5
This was necessary when we didn't have ipam persistence, as the comment said "to remember the IPAM CRDT when we stop host2". But we have persistence to hold the CRDT so we don't need host3. Rename the test so the test runner only gives it 2 hosts.
68 lines
2.1 KiB
Bash
Executable File
68 lines
2.1 KiB
Bash
Executable File
#! /bin/bash
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. "$(dirname "$0")/config.sh"
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UNIVERSE=10.2.0.0/16
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C1=10.2.128.1
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C4=10.2.128.4
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delete_persistence() {
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for host in "$@" ; do
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docker_on $host rm -v weavedb >/dev/null
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docker_on $host rm weave >/dev/null
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done
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}
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start_suite "Claiming addresses"
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weave_on $HOST1 launch --ipalloc-range $UNIVERSE $HOST2
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weave_on $HOST2 launch --ipalloc-range $UNIVERSE $HOST1
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start_container $HOST1 $C1/12 --name=c1
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start_container $HOST2 --name=c2
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assert_raises "exec_on $HOST2 c2 $PING $C1"
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stop_weave_on $HOST1
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stop_weave_on $HOST2
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# Delete persistence data so they form a blank ring
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delete_persistence $HOST1 $HOST2
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# Start hosts in reverse order so c1's address has to be claimed from host2
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weave_on $HOST2 launch --ipalloc-range $UNIVERSE
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weave_on $HOST1 launch --ipalloc-range $UNIVERSE $HOST2
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# Start another container on host2, so if it hasn't relinquished c1's
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# address it would give that out as the first available.
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start_container $HOST2 --name=c3
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C3=$(container_ip $HOST2 c3)
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assert_raises "[ $C3 != $C1 ]"
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sleep 1 # give routers some time to fully establish connectivity
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assert_raises "exec_on $HOST1 c1 $PING $C3"
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stop_weave_on $HOST1
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stop_weave_on $HOST2
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# Now make host1 attempt to claim from host2, when host2 is stopped
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# the point being to check whether host1 will hang trying to talk to host2
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# Delete persistence data on host1, so that host1 would try to establish a ring.
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delete_persistence $HOST1
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weave_on $HOST1 launch --ipalloc-range $UNIVERSE $HOST2
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# Start another container on host1. The starting should block, because host1 is
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# not able to establish the ring due to host2 being offline.
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CMD="proxy_start_container $HOST1 --name c4 -e WEAVE_CIDR=$C4/12"
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assert_raises "timeout --signal=9 5 cat <( $CMD )" 137
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# However, allocation for an external subnet should not block.
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assert_raises "proxy_start_container $HOST1 -e WEAVE_CIDR=10.3.0.1/12"
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# Launch host2, so that host1 can establish the ring.
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weave_on $HOST2 launch --ipalloc-range $UNIVERSE $HOST1
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wait_for_attached $HOST1 c4
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assert_raises "[ $(container_ip $HOST1 c4) == $C4 ]"
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end_suite
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